Guys please help How is weathering taking place in A, B and C. Choose the right statement

In A, pressure from the ice on the sides of the crack causes it to widen and split the rock. In B, rain is filling a crack in a rock. In C, the ice freezes and expands.
In A, the ice freezes and expands. In B, rain is filling a crack in a rock.. In C, pressure from the ice on the sides of the crack causes it to widen and split the rock.
In A, rain is filling a crack in a rock. In B, the ice freezes and expands. In C, pressure from the ice on the sides of the crack causes it to widen and split the rock.

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okay i have so many questions. but the big one here is: um wt..f is this mess? ?

answer and explanation;

answer: the metamorphic rocks are formed when they are exposed to high pressure and high temperatures. this happens when one of the earth's plates comes in contact with the other plate by traveling in opposite directions, straight into each other or slipping under one another. the friction that is caused by this activity results in   melting of rocks and when it cools they are known as metamorphic rocks. this process needs a controlled amount of pressure and temperature otherwise it may turn into magma.